2026-09-15T00:52:48.433517Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:48.493166Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=234
2026-09-15T00:52:48.497907Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=18 expansion_and_footprint_ms=23 estimated_row_bytes=7944 heuristic_row_bytes=32520 geometry_fragments_per_tile=976 fragment_limit=16384
2026-09-15T00:52:48.506935Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=8 success=true
2026-09-15T00:52:48.511992Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=26 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:48.512796Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=56 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false
2026-09-15T00:52:48.514403Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=57 candidates=5 ordinary_horizon=172 paired_horizon=243 use_paired=false
2026-09-15T00:52:48.514825Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=39 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:48.515743Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=7 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:48.516256Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=27 candidates=20 ordinary_horizon=399 paired_horizon=777 use_paired=false
2026-09-15T00:52:48.519083Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=40 candidates=20 ordinary_horizon=399 paired_horizon=777 use_paired=false
2026-09-15T00:52:48.520517Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=13 success=true
2026-09-15T00:52:48.521383Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-15T00:52:48.524825Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=3 success=true
2026-09-15T00:52:48.525150Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:48.546488Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=5244 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:48.614191Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=20 success=true
2026-09-15T00:52:48.614330Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=327584 host_code_base=376832 host_code_bytes=1880 generated_code_bytes=10012 exchange_table_bytes=5244 executable_ranges=[(378776, 524288)]
2026-09-15T00:52:48.614375Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=327584 profile_bytes=796 exchange_table_bytes=5244 host_code_bytes=1880 host_data_bytes=1140 generated_code_bytes=10012 code_address=378776 available_ranges=[(327680, 360448), (363348, 376832), (409600, 949168)]
2026-09-15T00:52:48.636415Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=16 success=true
2026-09-15T00:52:48.637540Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:48.637635Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:48.637662Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:48.637797Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:48.637825Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:48.637864Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:48.637972Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:48.638005Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:48.638302Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:48.638314Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:48.638463Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:48.638549Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:48.638566Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:48.639041Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:48.639127Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:48.639191Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:48.639617Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:48.639646Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:48.639745Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:48.639844Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:48.639910Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:48.639948Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:48.640250Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:48.640446Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:48.640779Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:48.640849Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:48.640909Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:48.641198Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:48.641685Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:48.641858Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:48.641856Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:48.642095Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:48.642335Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:48.642472Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:48.642535Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:48.642831Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:48.642892Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:48.642982Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:48.642981Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:48.643024Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:48.643497Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:48.643532Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:48.643710Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:48.643753Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:48.644034Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:48.644168Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:48.644315Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:48.644483Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-15T00:52:48.644736Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:48.644859Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64
2026-09-15T00:52:48.644967Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:48.645235Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-15T00:52:48.645550Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:48.645602Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:48.645667Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65
2026-09-15T00:52:48.645684Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:48.645722Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:48.645779Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:48.645964Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:48.646256Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:48.646296Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:48.646643Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:48.647042Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66
2026-09-15T00:52:48.647219Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:48.647361Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:48.647499Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:48.648693Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-15T00:52:48.650374Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=13 success=true
2026-09-15T00:52:48.774461Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=124 success=true
2026-09-15T00:52:48.774843Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=331874 final_exchange=120708
2026-09-15T00:52:48.838521Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=29 success=true
2026-09-15T00:52:48.867239Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=28 success=true
2026-09-15T00:52:49.123961Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=249 success=true
2026-09-15T00:52:49.129072Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated search incumbent cycles=331874 resuming=false
2026-09-15T00:52:49.158501Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/structure-refactor-20260915/scoped-cast-storage/search-vit-fp8-repeat3.state.json attempts=0 bytes=2108154
2026-09-15T00:52:49.170650Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened tile mappings by exchange resource load candidates=41 baseline_cycles=25641 candidate_cycles=25054 baseline_pressure=15635 candidate_pressure=15147
2026-09-15T00:52:49.196053Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=234
2026-09-15T00:52:49.202865Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=24 expansion_and_footprint_ms=31 estimated_row_bytes=7944 heuristic_row_bytes=32520 geometry_fragments_per_tile=976 fragment_limit=16384
2026-09-15T00:52:49.214573Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=11 success=true
2026-09-15T00:52:49.216791Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=6 candidates=8 ordinary_horizon=422 paired_horizon=505 use_paired=false
2026-09-15T00:52:49.220965Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=14 candidates=6 ordinary_horizon=670 paired_horizon=506 use_paired=false
2026-09-15T00:52:49.221446Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=25 candidates=8 ordinary_horizon=422 paired_horizon=431 use_paired=false
2026-09-15T00:52:49.221794Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=38 candidates=8 ordinary_horizon=387 paired_horizon=407 use_paired=false
2026-09-15T00:52:49.227904Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=13 success=true
2026-09-15T00:52:49.229143Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=1 success=true
2026-09-15T00:52:49.232782Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=3 success=true
2026-09-15T00:52:49.233296Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:49.255831Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=7632 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:49.323656Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=19 success=true
2026-09-15T00:52:49.323729Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=327584 host_code_base=376832 host_code_bytes=1880 generated_code_bytes=10012 exchange_table_bytes=7632 executable_ranges=[(378776, 524288)]
2026-09-15T00:52:49.323774Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=327584 profile_bytes=796 exchange_table_bytes=7632 host_code_bytes=1880 host_data_bytes=1140 generated_code_bytes=10012 code_address=378776 available_ranges=[(327680, 360448), (363348, 376832), (409600, 949168)]
2026-09-15T00:52:49.344563Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=14 success=true
2026-09-15T00:52:49.345964Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:49.346078Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:49.346155Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:49.346248Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:49.346497Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:49.346629Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:49.346688Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:49.346709Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:49.346826Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:49.346882Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:49.346956Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:49.347090Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:49.347388Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:49.347522Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:49.347630Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:49.348094Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:49.348225Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:49.348350Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:49.348888Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:49.348891Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:49.349063Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:49.349344Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:49.349542Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:49.349648Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:49.349832Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:49.349847Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:49.349876Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:49.349916Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:49.349959Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:49.350239Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:49.350336Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:49.350341Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:49.350533Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:49.350657Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:49.350716Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:49.350844Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:49.350912Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:49.350973Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:49.351031Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:49.351452Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:49.351485Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:49.351558Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:49.351757Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:49.351781Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:49.351978Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:49.352113Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:49.352132Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:49.352394Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:49.352499Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-15T00:52:49.352625Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:49.352645Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:49.352736Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:49.352866Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:49.352882Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:49.353016Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:49.353120Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:49.353121Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:49.353130Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-15T00:52:49.353307Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65
2026-09-15T00:52:49.353479Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64
2026-09-15T00:52:49.353569Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:49.353663Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:49.353740Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:49.353978Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:49.354384Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66
2026-09-15T00:52:49.355565Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-15T00:52:49.356335Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:49.356917Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=12 success=true
2026-09-15T00:52:49.485921Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=128 success=true
2026-09-15T00:52:49.486338Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=332003 final_exchange=120837
2026-09-15T00:52:49.546104Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=24 success=true
2026-09-15T00:52:49.574929Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=28 success=true
2026-09-15T00:52:49.840049Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=257 success=true
2026-09-15T00:52:49.851269Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: retained incumbent tile mapping
2026-09-15T00:52:49.914735Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/structure-refactor-20260915/scoped-cast-storage/search-vit-fp8-repeat3.state.json attempts=1 bytes=2108153
2026-09-15T00:52:50.397093Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened local search round round=1 proposed=636 invalid=16 visited=0 not_cheaper=436 deduplicated=95 truncated=86 shortlisted=3
2026-09-15T00:52:50.397147Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: evaluating ordered local candidates concurrently candidates=3 threads=8
2026-09-15T00:52:50.422456Z  INFO local_candidate{attempt=2 proposal=230}: eliminated unread FP8 cast input padding clears removed=216
2026-09-15T00:52:50.422981Z  INFO local_candidate{attempt=3 proposal=234}: eliminated unread FP8 cast input padding clears removed=216
2026-09-15T00:52:50.423363Z  INFO local_candidate{attempt=1 proposal=238}: eliminated unread FP8 cast input padding clears removed=216
2026-09-15T00:52:50.429136Z  INFO local_candidate{attempt=2 proposal=230}: screened exchange table geometry expansion_ms=25 expansion_and_footprint_ms=31 estimated_row_bytes=6720 heuristic_row_bytes=27252 geometry_fragments_per_tile=839 fragment_limit=16384
2026-09-15T00:52:50.430351Z  INFO local_candidate{attempt=1 proposal=238}: screened exchange table geometry expansion_ms=25 expansion_and_footprint_ms=32 estimated_row_bytes=7304 heuristic_row_bytes=27684 geometry_fragments_per_tile=851 fragment_limit=16384
2026-09-15T00:52:50.430585Z  INFO local_candidate{attempt=3 proposal=234}: screened exchange table geometry expansion_ms=25 expansion_and_footprint_ms=33 estimated_row_bytes=6768 heuristic_row_bytes=25316 geometry_fragments_per_tile=781 fragment_limit=16384
2026-09-15T00:52:50.441883Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=10 success=true
2026-09-15T00:52:50.441902Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=12 success=true
2026-09-15T00:52:50.441925Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=11 success=true
2026-09-15T00:52:50.443001Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:50.443129Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:50.443512Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:50.443513Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:50.443601Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:50.443783Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:50.444014Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:50.444163Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:50.445157Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:50.445232Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:50.445255Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:50.445258Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:50.445477Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:50.445932Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:50.445999Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:50.446005Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:50.446012Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:50.446047Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:50.446328Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=35 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:50.446373Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=36 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:50.446518Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:50.446632Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:50.447007Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:50.447054Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:50.447096Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:50.447577Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:50.447693Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:50.447818Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=24 candidates=4 ordinary_horizon=450 paired_horizon=448 use_paired=false
2026-09-15T00:52:50.448088Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:50.448242Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:50.448258Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:50.448308Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:50.448336Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:50.448359Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:50.448953Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:50.449013Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:50.449050Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:50.449176Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:50.449187Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:50.449385Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:50.449438Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:50.449481Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:50.449709Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:50.449791Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:50.449838Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:50.450136Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:50.450226Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:50.450377Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=37 candidates=20 ordinary_horizon=399 paired_horizon=777 use_paired=false
2026-09-15T00:52:50.450378Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=36 candidates=20 ordinary_horizon=399 paired_horizon=777 use_paired=false
2026-09-15T00:52:50.451147Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:50.451828Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:50.451872Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:50.452160Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=25 candidates=20 ordinary_horizon=422 paired_horizon=962 use_paired=false
2026-09-15T00:52:50.452303Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=53 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false
2026-09-15T00:52:50.452582Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:50.452644Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:50.453091Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:50.453228Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:50.453297Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:50.453350Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=24 candidates=4 ordinary_horizon=319 paired_horizon=306 use_paired=false
2026-09-15T00:52:50.453572Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=54 candidates=5 ordinary_horizon=172 paired_horizon=243 use_paired=false
2026-09-15T00:52:50.456420Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:50.456523Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:50.456937Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:50.457434Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:50.457553Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:50.457848Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=25 candidates=20 ordinary_horizon=422 paired_horizon=962 use_paired=false
2026-09-15T00:52:50.457941Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:50.458024Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:50.458800Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:50.459605Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=52 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false
2026-09-15T00:52:50.459727Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:50.460131Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:50.460509Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:50.460641Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=52 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false
2026-09-15T00:52:50.460654Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:50.460758Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:50.460851Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=53 candidates=5 ordinary_horizon=172 paired_horizon=243 use_paired=false
2026-09-15T00:52:50.460936Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=35 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:50.461621Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:50.461872Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=53 candidates=5 ordinary_horizon=172 paired_horizon=243 use_paired=false
2026-09-15T00:52:50.462165Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:50.462612Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:50.463621Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:50.464197Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:50.464988Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=36 candidates=20 ordinary_horizon=399 paired_horizon=777 use_paired=false
2026-09-15T00:52:50.465723Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=24 candidates=4 ordinary_horizon=308 paired_horizon=308 use_paired=false
2026-09-15T00:52:50.469806Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=25 candidates=20 ordinary_horizon=422 paired_horizon=962 use_paired=false
2026-09-15T00:52:50.472940Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=30 success=true
2026-09-15T00:52:50.473095Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=31 success=true
2026-09-15T00:52:50.473104Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=31 success=true
2026-09-15T00:52:50.473579Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-15T00:52:50.473775Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-15T00:52:50.473824Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-15T00:52:50.476841Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=3 success=true
2026-09-15T00:52:50.477155Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:50.477880Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=4 success=true
2026-09-15T00:52:50.477918Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=4 success=true
2026-09-15T00:52:50.478235Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:50.478266Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:50.496751Z  INFO local_candidate{attempt=1 proposal=238}: exchange table and repeat patch storage exchange_table_bytes=4596 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:50.498389Z  INFO local_candidate{attempt=3 proposal=234}: exchange table and repeat patch storage exchange_table_bytes=4340 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:50.499731Z  INFO local_candidate{attempt=2 proposal=230}: exchange table and repeat patch storage exchange_table_bytes=4292 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:50.594459Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=49 success=true
2026-09-15T00:52:50.594496Z  INFO local_candidate{attempt=1 proposal=238}: placing generated tile programs linked_end=379824 host_code_base=379824 host_code_bytes=1884 generated_code_bytes=9628 exchange_table_bytes=4596 executable_ranges=[(378844, 378848), (381776, 524288)]
2026-09-15T00:52:50.594532Z  INFO local_candidate{attempt=1 proposal=238}: allocated package support memory linked_end=379824 profile_bytes=768 exchange_table_bytes=4596 host_code_bytes=1884 host_data_bytes=1132 generated_code_bytes=9628 code_address=381776 available_ranges=[(327680, 360448), (363340, 376832), (409600, 949168)]
2026-09-15T00:52:50.595421Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=50 success=true
2026-09-15T00:52:50.595460Z  INFO local_candidate{attempt=2 proposal=230}: placing generated tile programs linked_end=379824 host_code_base=379824 host_code_bytes=1884 generated_code_bytes=9584 exchange_table_bytes=4292 executable_ranges=[(378844, 378848), (381776, 524288)]
2026-09-15T00:52:50.595493Z  INFO local_candidate{attempt=2 proposal=230}: allocated package support memory linked_end=379824 profile_bytes=764 exchange_table_bytes=4292 host_code_bytes=1884 host_data_bytes=1140 generated_code_bytes=9584 code_address=381776 available_ranges=[(327680, 360448), (363348, 376832), (409600, 949168)]
2026-09-15T00:52:50.595519Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=48 success=true
2026-09-15T00:52:50.595548Z  INFO local_candidate{attempt=3 proposal=234}: placing generated tile programs linked_end=379824 host_code_base=379824 host_code_bytes=1884 generated_code_bytes=9712 exchange_table_bytes=4340 executable_ranges=[(378844, 378848), (381776, 524288)]
2026-09-15T00:52:50.595582Z  INFO local_candidate{attempt=3 proposal=234}: allocated package support memory linked_end=379824 profile_bytes=776 exchange_table_bytes=4340 host_code_bytes=1884 host_data_bytes=1140 generated_code_bytes=9712 code_address=381776 available_ranges=[(327680, 360448), (363348, 376832), (409600, 949168)]
2026-09-15T00:52:50.616875Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=15 success=true
2026-09-15T00:52:50.617488Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=15 success=true
2026-09-15T00:52:50.617907Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:50.617987Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:50.618052Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=15 success=true
2026-09-15T00:52:50.618435Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:50.618456Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:50.618493Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:50.618578Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:50.619013Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:50.619091Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:50.619252Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:50.619349Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:50.619474Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:50.619526Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:50.619653Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:50.619662Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:50.619912Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:50.619959Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:50.620056Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:50.620094Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:50.620118Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:50.620257Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:50.620286Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:50.620350Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:50.620559Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:50.620570Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:50.620696Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:50.620801Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:50.620869Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:50.620922Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:50.621142Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:50.621175Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:50.621242Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:50.621322Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:50.621457Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:50.621547Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:50.621568Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:50.621724Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:50.621738Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:50.621901Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:50.622037Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:50.622057Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:50.622115Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:50.622147Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:50.622471Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:50.622571Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:50.623075Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:50.623118Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:50.623145Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:50.623214Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:50.623221Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:50.623668Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:50.623767Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:50.623852Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:50.623965Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:50.624055Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:50.624104Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:50.624161Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:50.624275Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:50.624284Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:50.624340Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:50.624428Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:50.624774Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:50.624807Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:50.624833Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:50.624840Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:50.625065Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:50.625074Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:50.625172Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:50.625283Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:50.625445Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:50.625474Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:50.625487Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:50.625512Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:50.625671Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:50.625817Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:50.625834Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:50.625850Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:50.625918Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:50.626267Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-15T00:52:50.626270Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:50.626287Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:50.626427Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:50.626482Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:50.626817Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-15T00:52:50.626923Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:50.627026Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:50.627223Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:50.627370Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:50.627401Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:50.627422Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:50.627477Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:50.627487Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:50.627548Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:50.627903Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:50.628153Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:50.628337Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:50.628336Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:50.628595Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:50.628661Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:50.628670Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:50.628848Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:50.628872Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:50.628962Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:50.629291Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:50.629315Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:50.629343Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:50.629536Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:50.629645Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:50.630122Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:50.630125Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:50.630292Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:50.630299Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:50.630566Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:50.630861Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:50.630955Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:50.631303Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:50.631352Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:50.631628Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:50.631649Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:50.631831Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:50.631949Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-15T00:52:50.632146Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:50.632160Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:50.632186Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:50.632332Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:50.632352Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:50.632378Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-15T00:52:50.632518Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:50.632538Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:50.632605Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:50.632788Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:50.632929Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-15T00:52:50.632931Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:50.632980Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:50.633045Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:50.633062Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:50.633243Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:50.633275Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:50.633332Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:50.633368Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:50.633604Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:50.633748Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:50.633752Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:50.633754Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:50.633845Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:50.633850Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:50.633863Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:50.633968Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:50.634185Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:50.634430Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:50.634516Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:50.634655Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:50.634676Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:50.634714Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:50.634857Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:50.634872Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:50.634905Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:50.635062Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:50.635178Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:50.635468Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:50.635483Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:50.635620Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:50.635672Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:50.635816Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:50.635870Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:50.636418Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:50.636445Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:50.636624Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:50.636892Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:50.636899Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:50.637002Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:50.637117Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:50.637254Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:50.637386Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:50.637528Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:50.637633Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:50.637730Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:50.637773Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:50.637789Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:50.637856Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-15T00:52:50.638090Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:50.638093Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:50.638115Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-15T00:52:50.638143Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:50.638318Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:50.638357Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:50.638443Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:50.638494Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:50.638595Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:50.639239Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:50.639964Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:50.640428Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=23 success=true
2026-09-15T00:52:50.640431Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=22 success=true
2026-09-15T00:52:50.640433Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=22 success=true
2026-09-15T00:52:50.765590Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=125 success=true
2026-09-15T00:52:50.766021Z  INFO local_candidate{attempt=2 proposal=230}: costed final placed program final_cycles=316895 final_exchange=109341
2026-09-15T00:52:50.768386Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=127 success=true
2026-09-15T00:52:50.768830Z  INFO local_candidate{attempt=3 proposal=234}: costed final placed program final_cycles=318041 final_exchange=111306
2026-09-15T00:52:50.778970Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=138 success=true
2026-09-15T00:52:50.779416Z  INFO local_candidate{attempt=1 proposal=238}: costed final placed program final_cycles=315974 final_exchange=109257
2026-09-15T00:52:50.876526Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=73 success=true
2026-09-15T00:52:50.876562Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=63 success=true
2026-09-15T00:52:50.876600Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=76 success=true
2026-09-15T00:52:50.905780Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=29 success=true
2026-09-15T00:52:50.905942Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=29 success=true
2026-09-15T00:52:50.905968Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=29 success=true
2026-09-15T00:52:51.177166Z  INFO local_candidate{attempt=2 proposal=230}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=257 success=true
2026-09-15T00:52:51.179379Z  INFO local_candidate{attempt=3 proposal=234}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=261 success=true
2026-09-15T00:52:51.207228Z  INFO local_candidate{attempt=1 proposal=238}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=288 success=true
2026-09-15T00:52:51.262010Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: accepted local layout improvement attempt=1 before=331874 after=315974 delta=Changes { plans: {OperationId(17)}, boundaries: [ValueId(69)], casts: [], early_casts: [], packing_rows: (None, None), parallel_reductions: (0, 0), disjoint_copy_sources: (false, false), cast_storage: (Some(CastStoragePolicy { default: Separate, operators: {}, sites: {} }), Some(CastStoragePolicy { default: Separate, operators: {}, sites: {} })) }
2026-09-15T00:52:51.319361Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/structure-refactor-20260915/scoped-cast-storage/search-vit-fp8-repeat3.state.json attempts=2 bytes=2382823
2026-09-15T00:52:51.912688Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened local search round round=2 proposed=625 invalid=16 visited=1 not_cheaper=456 deduplicated=79 truncated=71 shortlisted=2
2026-09-15T00:52:51.912739Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: evaluating ordered local candidates concurrently candidates=2 threads=8
2026-09-15T00:52:51.940194Z  INFO local_candidate{attempt=3 proposal=87}: eliminated unread FP8 cast input padding clears removed=189
2026-09-15T00:52:51.947561Z  INFO local_candidate{attempt=3 proposal=87}: screened exchange table geometry expansion_ms=27 expansion_and_footprint_ms=34 estimated_row_bytes=7192 heuristic_row_bytes=27176 geometry_fragments_per_tile=831 fragment_limit=16384
2026-09-15T00:52:51.948146Z  INFO local_candidate{attempt=2 proposal=139}: eliminated unread FP8 cast input padding clears removed=216
2026-09-15T00:52:51.955193Z  INFO local_candidate{attempt=2 proposal=139}: screened exchange table geometry expansion_ms=35 expansion_and_footprint_ms=42 estimated_row_bytes=7408 heuristic_row_bytes=25376 geometry_fragments_per_tile=859 fragment_limit=16384
2026-09-15T00:52:51.959838Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=11 success=true
2026-09-15T00:52:51.961520Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:51.963179Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:51.963765Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=22 candidates=4 ordinary_horizon=308 paired_horizon=308 use_paired=false
2026-09-15T00:52:51.963976Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:51.964361Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=33 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:51.964728Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=50 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false
2026-09-15T00:52:51.965088Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:51.965987Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=51 candidates=5 ordinary_horizon=172 paired_horizon=243 use_paired=false
2026-09-15T00:52:51.966373Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:51.967101Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:51.967533Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=6 candidates=4 ordinary_horizon=450 paired_horizon=481 use_paired=false
2026-09-15T00:52:51.968450Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=23 candidates=20 ordinary_horizon=422 paired_horizon=962 use_paired=false
2026-09-15T00:52:51.968619Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=34 candidates=20 ordinary_horizon=399 paired_horizon=777 use_paired=false
2026-09-15T00:52:51.970831Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=10 success=true
2026-09-15T00:52:51.971491Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-15T00:52:51.972924Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=17 success=true
2026-09-15T00:52:51.973776Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:51.973791Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:51.973800Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:51.973803Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:51.973891Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:51.973890Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:51.974137Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:51.974302Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:51.974389Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:51.974405Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:51.974489Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:51.974485Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:51.974712Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=3 success=true
2026-09-15T00:52:51.974837Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:51.974921Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-15T00:52:51.975047Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:51.975072Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:51.975166Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:51.975262Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:51.975528Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-15T00:52:51.975640Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:51.975696Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:51.975703Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:51.975784Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:51.975843Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:51.975925Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:51.976059Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:51.976087Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:51.976236Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:51.976453Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:51.976507Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:51.976634Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:51.976705Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:51.976772Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:51.976894Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:51.977251Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:51.977294Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:51.977364Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:51.977393Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:51.977668Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:51.977873Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:51.977908Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:51.978043Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:51.978046Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:51.978446Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:51.978564Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:51.978644Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:51.978778Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:51.978853Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:51.979009Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:51.979061Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:51.979424Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:51.979467Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:51.979746Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:51.980070Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:51.980255Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:51.980534Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:51.980695Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:51.980894Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:51.981338Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:51.981596Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:51.982277Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:51.983839Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:51.984660Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:51.984876Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=11 success=true
2026-09-15T00:52:51.985583Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-15T00:52:51.988576Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=2 success=true
2026-09-15T00:52:51.988888Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:51.994454Z  INFO local_candidate{attempt=3 proposal=87}: exchange table and repeat patch storage exchange_table_bytes=4540 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:52.008713Z  INFO local_candidate{attempt=2 proposal=139}: exchange table and repeat patch storage exchange_table_bytes=4748 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:52.074943Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=20 success=true
2026-09-15T00:52:52.074979Z  INFO local_candidate{attempt=2 proposal=139}: placing generated tile programs linked_end=379824 host_code_base=379824 host_code_bytes=1884 generated_code_bytes=9372 exchange_table_bytes=4748 executable_ranges=[(378844, 378848), (381776, 524288)]
2026-09-15T00:52:52.075008Z  INFO local_candidate{attempt=2 proposal=139}: allocated package support memory linked_end=379824 profile_bytes=764 exchange_table_bytes=4748 host_code_bytes=1884 host_data_bytes=1140 generated_code_bytes=9372 code_address=381776 available_ranges=[(327680, 360448), (363348, 376832), (409600, 949168)]
2026-09-15T00:52:52.075006Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=34 success=true
2026-09-15T00:52:52.075045Z  INFO local_candidate{attempt=3 proposal=87}: placing generated tile programs linked_end=379824 host_code_base=379824 host_code_bytes=1884 generated_code_bytes=9432 exchange_table_bytes=4540 executable_ranges=[(378844, 378848), (381776, 524288)]
2026-09-15T00:52:52.075081Z  INFO local_candidate{attempt=3 proposal=87}: allocated package support memory linked_end=379824 profile_bytes=752 exchange_table_bytes=4540 host_code_bytes=1884 host_data_bytes=1140 generated_code_bytes=9432 code_address=381776 available_ranges=[(327680, 360448), (363348, 376832), (409600, 949168)]
2026-09-15T00:52:52.095110Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=13 success=true
2026-09-15T00:52:52.095917Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:52.096123Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:52.096487Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:52.096783Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:52.096801Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:52.096945Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:52.096969Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:52.097182Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:52.097295Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:52.097694Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:52.097733Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:52.097900Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:52.098065Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=16 success=true
2026-09-15T00:52:52.098317Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:52.098353Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:52.098354Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:52.098391Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:52.098439Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:52.098559Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:52.098616Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:52.098711Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:52.098784Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:52.099000Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:52.099228Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:52.099328Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:52.099345Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:52.099369Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:52.099444Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:52.099464Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:52.099630Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:52.099674Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:52.099763Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:52.099928Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:52.099975Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:52.099983Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:52.100073Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:52.100408Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:52.100445Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:52.100514Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:52.100782Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:52.100844Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:52.101123Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:52.101131Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:52.101321Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:52.101490Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:52.101501Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:52.101505Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:52.101533Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:52.101852Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:52.102097Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:52.102102Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:52.102293Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:52.102292Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:52.102316Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:52.102478Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:52.102686Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:52.102715Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:52.103095Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:52.103390Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:52.103545Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:52.103580Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:52.103626Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:52.103704Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:52.103864Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:52.104133Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:52.104182Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:52.104231Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:52.104282Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:52.104547Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:52.104625Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:52.104626Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:52.104670Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:52.104702Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:52.104788Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:52.104988Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-15T00:52:52.105304Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:52.105313Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:52.105345Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:52.105374Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:52.105455Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:52.105471Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:52.105580Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-15T00:52:52.105713Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:52.105784Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:52.105850Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:52.105859Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:52.105875Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:52.106002Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:52.106055Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:52.106153Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:52.106160Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:52.106274Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:52.106291Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:52.106294Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:52.106310Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:52.106386Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:52.106575Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:52.106596Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:52.106635Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:52.106718Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:52.106744Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:52.106847Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:52.107084Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:52.107129Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:52.107479Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:52.107498Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:52.107627Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:52.107888Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:52.107914Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:52.108359Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:52.108529Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:52.108928Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:52.109066Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:52.109093Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:52.109195Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:52.109473Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:52.109645Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:52.109647Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:52.109730Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:52.109743Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:52.109976Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:52.110095Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:52.110283Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:52.110660Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:52.111777Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:52.112133Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=14 success=true
2026-09-15T00:52:52.112129Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=16 success=true
2026-09-15T00:52:52.231707Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=119 success=true
2026-09-15T00:52:52.232138Z  INFO local_candidate{attempt=3 proposal=87}: costed final placed program final_cycles=308177 final_exchange=104640
2026-09-15T00:52:52.234474Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=122 success=true
2026-09-15T00:52:52.234883Z  INFO local_candidate{attempt=2 proposal=139}: costed final placed program final_cycles=304310 final_exchange=109257
2026-09-15T00:52:52.293054Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=27 success=true
2026-09-15T00:52:52.293288Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=24 success=true
2026-09-15T00:52:52.319713Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=26 success=true
2026-09-15T00:52:52.322656Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=29 success=true
2026-09-15T00:52:52.592882Z  INFO local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=256 success=true
2026-09-15T00:52:52.610235Z  INFO local_candidate{attempt=2 proposal=139}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=269 success=true
2026-09-15T00:52:52.653625Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: accepted local layout improvement attempt=2 before=315974 after=304310 delta=Changes { plans: {OperationId(6), OperationId(7), OperationId(8)}, boundaries: [ValueId(58)], casts: [], early_casts: [], packing_rows: (None, None), parallel_reductions: (0, 0), disjoint_copy_sources: (false, false), cast_storage: (Some(CastStoragePolicy { default: Separate, operators: {}, sites: {} }), Some(CastStoragePolicy { default: Separate, operators: {}, sites: {} })) }
2026-09-15T00:52:52.708233Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/structure-refactor-20260915/scoped-cast-storage/search-vit-fp8-repeat3.state.json attempts=3 bytes=2663669
2026-09-15T00:52:53.359005Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened local search round round=3 proposed=615 invalid=16 visited=1 not_cheaper=444 deduplicated=80 truncated=73 shortlisted=1
2026-09-15T00:52:53.359056Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: evaluating ordered local candidates concurrently candidates=1 threads=8
2026-09-15T00:52:53.383257Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}: eliminated unread FP8 cast input padding clears removed=189
2026-09-15T00:52:53.389531Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}: screened exchange table geometry expansion_ms=24 expansion_and_footprint_ms=30 estimated_row_bytes=7296 heuristic_row_bytes=24868 geometry_fragments_per_tile=839 fragment_limit=16384
2026-09-15T00:52:53.399934Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="place_provisional_storage"}: package build phase finished phase="place_provisional_storage" elapsed_ms=10 success=true
2026-09-15T00:52:53.401289Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:53.401343Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:53.401676Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:53.401806Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=6 candidates=4 ordinary_horizon=450 paired_horizon=481 use_paired=false
2026-09-15T00:52:53.402342Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:53.402642Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:53.402916Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:53.403708Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=50 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false
2026-09-15T00:52:53.404070Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=33 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-15T00:52:53.404981Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=51 candidates=5 ordinary_horizon=172 paired_horizon=243 use_paired=false
2026-09-15T00:52:53.405846Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=22 candidates=4 ordinary_horizon=308 paired_horizon=308 use_paired=false
2026-09-15T00:52:53.408126Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=34 candidates=20 ordinary_horizon=399 paired_horizon=777 use_paired=false
2026-09-15T00:52:53.410460Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: compared ordinary and paired exchange schedules phase=23 candidates=20 ordinary_horizon=422 paired_horizon=962 use_paired=false
2026-09-15T00:52:53.411232Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="schedule_provisional_exchanges"}: package build phase finished phase="schedule_provisional_exchanges" elapsed_ms=11 success=true
2026-09-15T00:52:53.411958Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-15T00:52:53.415433Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=3 success=true
2026-09-15T00:52:53.415763Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-15T00:52:53.434760Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}: exchange table and repeat patch storage exchange_table_bytes=4692 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-15T00:52:53.496992Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=18 success=true
2026-09-15T00:52:53.497063Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}: placing generated tile programs linked_end=379824 host_code_base=379824 host_code_bytes=1884 generated_code_bytes=9176 exchange_table_bytes=4692 executable_ranges=[(378844, 378848), (381776, 524288)]
2026-09-15T00:52:53.497112Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}: allocated package support memory linked_end=379824 profile_bytes=748 exchange_table_bytes=4692 host_code_bytes=1884 host_data_bytes=1140 generated_code_bytes=9176 code_address=381776 available_ranges=[(327680, 360448), (363348, 376832), (409600, 949168)]
2026-09-15T00:52:53.518499Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=14 success=true
2026-09-15T00:52:53.519398Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-15T00:52:53.519606Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-15T00:52:53.520195Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-15T00:52:53.520361Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-15T00:52:53.520566Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-15T00:52:53.520618Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-15T00:52:53.520607Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-15T00:52:53.520738Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-15T00:52:53.520944Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-15T00:52:53.521153Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-15T00:52:53.521340Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-15T00:52:53.521601Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-15T00:52:53.521618Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-15T00:52:53.521835Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-15T00:52:53.521989Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-15T00:52:53.522178Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-15T00:52:53.522513Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-15T00:52:53.522670Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-15T00:52:53.522699Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-15T00:52:53.522743Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-15T00:52:53.522757Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-15T00:52:53.522860Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-15T00:52:53.523093Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-15T00:52:53.523322Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-15T00:52:53.523409Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-15T00:52:53.523445Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-15T00:52:53.523579Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-15T00:52:53.523575Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-15T00:52:53.523621Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-15T00:52:53.523772Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-15T00:52:53.523879Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-15T00:52:53.524009Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-15T00:52:53.524185Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-15T00:52:53.524254Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-15T00:52:53.524362Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-15T00:52:53.524380Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-15T00:52:53.524589Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-15T00:52:53.524718Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-15T00:52:53.524995Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-15T00:52:53.525037Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-15T00:52:53.525044Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-15T00:52:53.525060Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-15T00:52:53.525452Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-15T00:52:53.525532Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-15T00:52:53.525553Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-15T00:52:53.525927Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-15T00:52:53.526100Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-15T00:52:53.526123Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-15T00:52:53.526159Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-15T00:52:53.526164Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-15T00:52:53.526276Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-15T00:52:53.526337Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-15T00:52:53.526565Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-15T00:52:53.526632Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-15T00:52:53.526660Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-15T00:52:53.527087Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-15T00:52:53.527100Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-15T00:52:53.527393Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-15T00:52:53.527542Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-15T00:52:53.528027Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-15T00:52:53.528655Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-15T00:52:53.528855Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=10 success=true
2026-09-15T00:52:53.638349Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=109 success=true
2026-09-15T00:52:53.638685Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}: costed final placed program final_cycles=296513 final_exchange=104640
2026-09-15T00:52:53.684922Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=13 success=true
2026-09-15T00:52:53.712099Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=27 success=true
2026-09-15T00:52:53.988251Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=3 proposal=87}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=269 success=true
2026-09-15T00:52:53.993427Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: accepted local layout improvement attempt=3 before=304310 after=296513 delta=Changes { plans: {OperationId(3)}, boundaries: [], casts: [], early_casts: [], packing_rows: (None, None), parallel_reductions: (0, 0), disjoint_copy_sources: (false, false), cast_storage: (Some(CastStoragePolicy { default: Separate, operators: {}, sites: {} }), Some(CastStoragePolicy { default: Separate, operators: {}, sites: {} })) }
2026-09-15T00:52:54.037440Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/structure-refactor-20260915/scoped-cast-storage/search-vit-fp8-repeat3.state.json attempts=4 bytes=2806379
2026-09-15T00:52:54.044053Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=5610 success=true
2026-09-15T00:52:54.052074Z  INFO writing application package tiles=1472
2026-09-15T00:52:54.107280Z  INFO application package written
2026-09-15T00:52:54.109532Z  INFO reading application package
2026-09-15T00:52:54.218561Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-15T00:52:54.221434Z  INFO waiting for hardware ownership path=/tmp/ipu-stack-device.lock
2026-09-15T00:52:54.221452Z  INFO acquired hardware ownership path=/tmp/ipu-stack-device.lock
2026-09-15T00:52:54.221457Z  INFO opening IPU device path="/dev/ipu0"
2026-09-15T00:52:54.221494Z  INFO IPU device attached path=/dev/ipu0
2026-09-15T00:52:54.221497Z  INFO initializing IPU device
2026-09-15T00:52:54.229340Z  INFO IPU device initialized
2026-09-15T00:52:54.229344Z  INFO replaying device configuration register_writes=2003
2026-09-15T00:52:54.234770Z  INFO loading application tile_count=1472 final_mark=23
2026-09-15T00:52:54.439651Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-15T00:52:54.468421Z  INFO prepared reference inputs elapsed_ms=25
2026-09-15T00:52:54.473921Z  INFO configured host reference BLAS threads=4
referencePrecision=device
2026-09-15T00:52:54.516328Z  INFO evaluated host reference elapsed_ms=47
2026-09-15T00:52:54.518327Z  INFO starting host exchange session startup_mark=23
2026-09-15T00:52:54.518340Z  INFO attaching host exchange pages pages=2
2026-09-15T00:52:54.518991Z  INFO host exchange session started
2026-09-15T00:52:54.519002Z  INFO invoking host exchange call call="initialize" command=0 phases=70
2026-09-15T00:52:54.529246Z  INFO invoking host exchange call call="run" command=0 phases=11
profile=artifacts/structure-refactor-20260915/scoped-cast-storage/search-vit-fp8-repeat3.profile.json tiles=1472 samples=57333
referenceMinimumCosineSimilarity=0.997459656
referenceInference=1 numericalTest=PASS
referenceMaximumAbsoluteError=0.189453 numericalTest=PASS
package=artifacts/structure-refactor-20260915/scoped-cast-storage/search-vit-fp8-repeat3.ipuexe tiles=1472 hardwareTest=PASS